Some of the possible causes of a tumor in a dog's mouth or on the jaw include the following: Osteosarcoma: This can be external, just on the jaw bone, and not involve the mouth at all. Without ...

Roisin has a type of cancer called osteosarcoma which, in the jaw bone, is extremely rare. Approximately 1,200 Scots are diagnosed with some form of head and neck cancer each year. Osteosarcoma ...

"My dog has a tumor that has just popped up on her bottom jaw, and it's getting rather big rather fast. It's kind of hard and feels like a muscle. Do you think ivermectin might help? She is only 5 ...